The freeway continues northward along the western residential neighborhoods, encountering the northern end of I-475 near Mount Morris. I-75 passes to the west of Clio and the east of Birch Run, the latter home to a large outlet mall. From there, the trunkline travels through farmland in southern Saginaw County. Central Michigan I-75/US 23 enters the southern reaches of the suburban Tri-Cities at Bridgeport and proceeds northward through the area. The freeway passes to the east of downtown Saginaw. I-675 splits off to run westward into downtown, and I-75 curves around to the northwest to cross the Saginaw River on the Zilwaukee Bridge in the suburb of Zilwaukee. North of the river, I-675 reconnects to I-75, which continues northward into Bay County. The freeway passes to the west of Bay City, encountering the eastern end of the US 10 freeway. From there, I-75/US 23 curves northwesterly to bypass Kawkawlin before continuing north to the Standish area through farmlands inland from the Saginaw Bay. West of Standish, US 23 splits to follow the Lake Huron shoreline, and I-75 turns northwesterly to run inland. West of Sterling, the landscape changes again; in this area the freeway enters forest lands. I-75 continues northwestward through Arenac County and crosses into western Ogemaw County. M-30 passes under the freeway without an interchange as I-75 rounds the west side of West Branch. On the northwest side of that city, M-55 merges onto I-75, and the two highways turn to run concurrently westward into Roscommon County. East of Prudenville, M-55 splits from the freeway. I-75 turns northward to curve around the east of Houghton and Higgins lakes. Turning back to the northwest, the trunkline bypasses Roscommon to the south and transfers into southern Crawford County. About north of the county line, I-75 meets the northern end of US 127, the former US 27. Northern Michigan After the US 127 interchange, I-75 turns northward, and passes to the east of Grayling. There are a pair of interchanges on either end of town for BL I-75, and the southern one is a partial interchange; only northbound I-75 traffic may access the business loop and traffic entering the freeway may only access southbound I-75. There is no interchange further north for M-72; access to that highway is provided through the business loop. On the north side of Grayling, there is a full interchange for BL I-75/M-93 that provides the southbound